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Staff Backend Architect – Analytics Platform

Optimizely in Greater London seeks a Staff Software Engineer to lead the development of scalable backend systems for Optimizely Analytics. The ideal candidate will have over 8 years of software development experience, strong skills in data structures and algorithms, and a background in building large-scale distr ...

Senior Backend Engineer Team Decide

About The Role Banks and fintechs use Taktile to automate critical decisions - like credit and risk - in real time. We're a startup in the automated decisioning space - and the backend is where the hard problems live. We're looking for a Senior Backend Engineer to join our engineering tea ...

SR Backend Engineer (.NET / Azure)

This position allows you to join a fast-growing technology organisation focused on the critical migration and architectural evolution of our .NET services from AWS to Azure. If you are passionate about cloud-native transformation and want to lead the shift toward asynchronous, high-scale architectures, thi ...

Engineering Manager Backend & Platform Growth

A global financial technology company in London is seeking an Engineering Manager to lead product delivery and cultivate a high-performing engineering team. You will be responsible for defining goals, promoting cross-functional collaboration, and maintaining backend systems. Ideal candidates have a solid backgro ...

Mid Level Backend Engineer (Node.js)

Mid Level Backend Engineer (Node.js) Office: London Apply for this role About the company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers, ...

Senior Backend Engineer Casino UX

The Role Title: Senior Backend Engineer (Casino UX) Team: Engineering - Casino UX Location: UK (Remote) We're looking for a skilled Senior Backend Engineer to join our Casino UX team. In this role, you'll build and maintain the bac ...

Ruby on Rails Backend Engineer

Senior Ruby on Rails Engineer — Fulham (2/3 days on-site) £60,000 - £80,000 + Private Healthcare & Benefits This is an excellent opportunity for a Mid-to-Senior Ruby on Rails Engineer to join a start-up in a role where you will play a major part in future developments. This comp ...

Backend Software Engineer – Guest & Host

London, United Kingdom Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences ...

Senior Software Engineer Backend London

As a Senior Software Engineer , you will be part of one of our autonomous agile teams. You will help us develop the services that power the Blacklane platform, work on improving our back‑office system, and solve problems around our products that allow business partners to integrate with the Blacklan ...

On Lead Backend Engineer (Typescript)

Our Direct to Consumer business is performing and growing strongly, which is why we - within the Customer Communication Platform team in Commercial Technology at On - are looking for a Lead/Senior Backend Engineer to scale On’s online business to the next level. Our newly created team is focused on providi ...

Backend Engineer, RiskOS Remote UK

CybSafe is seeking a highly skilled Software Engineer to join their dynamic engineering team in the UK. The role involves leading the design, development, and deployment of advanced software solutions. You will collaborate with cross-functional teams, mentor junior engineers, and ensure high-quality, scalable pr ...

London Fast Ship Backend Engineer

Corgi is seeking a Fast Engineer to join their London team. This role focuses on individuals who can independently build and ship products efficiently. The ideal candidate will be comfortable across technology stacks and thrive in a fast-paced environment. Compensation ranges from £75,000 to £140,000 based on de ...

Senior Backend Engineer (Customer Auth)

About the role We’re on a mission to back the UK’s small businesses like no one else. Small businesses are the backbone of the economy, and we’re here to help them win. We’ve built a platform that uses clever data to get them the funding they need in minutes, not weeks. At Funding Circle, ...

Senior Reliability Engineer Backend & Observability

A global technology company is seeking a Senior Software Engineer for their Reliability Engineering team to enhance the reliability and performance of their products. The ideal candidate will have experience with microservices and cloud architecture, and will work cross-functionally to optimize backend services ...

Payments Backend Intern Kotlin & Fintech

A leading global crypto company is seeking a Software Engineering Intern to join its Payments team in London. This internship offers hands-on experience with backend systems, specifically in Kotlin, enabling users to make secure deposits and withdrawals. Successful candidates will assist in API development, lear ...

Senior Backend Engineer Payments & API

A financial technology company in Greater London is searching for an experienced Software Engineer to lead the design of their B2B API and payments infrastructure. Ideal candidates have at least 8 years of software engineering experience, a background in financial services, and are comfortable working with Node. ...

Lead Backend Engineer – Data Platforms

A global digital asset platform is seeking a Lead Software Engineer to drive the technical roadmap and operational excellence of critical subsystems. The ideal candidate should have over 6 years of backend development experience, with mastery in the Node.js ecosystem, and a strong commitment to quality and mento ...

Backend Engineer Python/Django, Remote

A leading technology company in Greater London is seeking a Backend-focused Software Engineer who will design and improve software solutions for the hospitality industry. The ideal candidate has a Bachelor's in Computer Science and 3+ years of experience, particularly in Python and web applications. This role of ...

SDE II: Navigation & Traffic Backend

A location technology platform in Greater London is looking for a Mid-Senior Software Development Engineer II in Navigation Traffic. In this role, you will balance rapid development of navigation solutions with system reliability as demand scales. Ideal candidates will have over 5 years of experience in backend ...

Senior Backend Engineer Scale & Reliability

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Senior Web3 Backend Engineer Dewiz

Overview Buidlers at heart and decentralization advocates. Our team is funded by former MakerDAO Core Unit members, with the goal of supporting web3 projects to design and implement their vision with Smart Contracts. We like to spend our time immersed in Solidity code, building the foundation and ...

Remote Senior Backend Engineer NALA

Description Our mission At NALA, we'rebuilding payments for the Next Billion. This means transforming how money moves into Africa, Asia and beyond. By building cutting-edge payment solutions, we’re simplifying financial transactions for ...

Staff Software Engineer, Personalisation & Backend

A leading British retailer in Greater London is seeking a skilled Software Engineer to develop and lead software solutions. Responsibilities include coding, architecture, and technical leadership, emphasizing quality and collaboration with stakeholders. Ideal candidates have experience with backend systems, a st ...

Senior Backend Engineer Bangkok (Relocation)

A leading travel company is seeking a Back End Staff Software Engineer to manage critical systems in Bangkok. This role requires over 10 years of experience in software development using modern programming languages like Scala and Java, coupled with strong database knowledge. The successful candidate will spearh ...

Software Engineer, Backend (Remote/Hybrid)

Software Engineer, Backend (Remote/Hybrid) Software Engineer, Backend (Remote/Hybrid) 1 week ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Our client is a pioneering tech company at the forefront of blockchain and AI innovat ...

Dynamic .NET API & Backend Engineer

A leading technology solutions provider in the United Kingdom is seeking full-time IT Engineers with a background in .NET development. The role involves developing new product features, participating in system design, building APIs, and providing support for bug fixes. Candidates should have at least 2 years of ...

Backend Software Engineer (Research team)

Applications deadline: We accept submissions until 15 January 2026. We review applications on a rolling basis and encourage early submissions. ABOUT THE OPPORTUNITY We’re looking for Backend Software Engineers who are excited to build tools for frontier AGI safety research ...

Backend Engineer Scala, Kafka & AWS

This is a job posted by our partner Jooble Below is a snippet of the job description. To read the full text, please click on the Apply Now link. Technical Solutions Technical solutions aim to solve real-world user problems by building new functionality on top of Blink's existing ba ...

Founding Backend Engineer — Fintech & Blockchain

A fintech company based in Greater London is looking for an experienced engineer to build scalable backend systems for their stablecoin-powered debit card solution. You will be involved in defining core systems, innovating new solutions, and working closely with customers during integration. This role offers com ...

Senior Backend Engineer London, UK

Want to work on the most pressing challenge of our generation? If you have experience building exceptional products, know how to execute at scale, and want to help build a company for the long term, we'd love to hear from you. CarbonChain helps the world’s biggest supply chains measure and reduce t ...

Staff Backend Engineer, Analytics Platform

A leading digital experience company in London is seeking a Staff Software Engineer to shape backend systems for their analytics platform. You'll design distributed systems, mentor engineers, and influence technical strategy. The ideal candidate has over 8 years in software development, with strong expertise in ...

Senior Backend Engineer, Founding Team

At Kulipa, our mission is to grow financial inclusivity and efficiency. Concretely, we issue stablecoin-powered debit cards, so that card payments work the way they should: Why Join Kulipa Merchants receive payment instantly - rather than multiple days later. En ...

Senior Backend Engineer Stellar Ecosystem

Overview Location: EMEA / EU Hours – Authorized to work in EMEA. Remote: Full-time. Compensation: €90K – €130K. Our client is a high-growth fintech leader specializing in simplifying multi-chain DeFi. They offer a unified API that provides seamless access to on‑chain liqui ...

Staff Backend Engineer Routing Squad

About HIVED At HIVED, we’re steamrolling forward as one of Europe’s fastest growing startups, and our momentum shows no signs of slowing. Based in London, we are a climate and logistics start-up building the first sustainable parcel delivery network at scale, powered by a 100% electric fl ...

Senior Backend Engineer | Founding Team

Kulipa is a financial services platform built on the infrastructure of tomorrow: Stablecoins. Stablecoins are dollars (and other fiat currencies) tokenized on a blockchain. They are gaining massive adoption throughout the industry, replacing inefficient financial payment rails. We bring the higher efficien ...

Staff Backend Engineer Data Platform

Company Description Depop is the community‑powered circular fashion marketplace where anyone can buy, sell, and discover desirable secondhand fashion. With a community of over 35 million users, Depop is on a mission to make fashion circular, redefining fashion consumption. Founded in 2011, the co ...

Backend/Infrastructure Engineer at Mubit

Job Title Backend/Infrastructure Engineer Company Description Mubit - Well-funded AI infrastructure startup building the operational memory layer for production agents. Job Description As the first engineering hire, you will architect Mubit’s core infrastructur ...

Junior Backend Engineer (App Delivery)

We live in a world that runs on physical industries like energy, logistics, manufacturing. These sectors are essential to our economy and daily lives, yet they are held back by inefficiencies, fragile legacy systems, and decades-old ways of working. This is not just a business problem; it is a societal one ...

Senior Backend Monetization Engineer (Remote)

A forward-thinking tech company is seeking a Senior Backend Monetization Engineer to join their fully remote team. In this role, you will design and operate scalable backend systems that support revenue-generating experiences, ensuring reliability and performance. The ideal candidate will have extensive backend ...

Senior Product Engineer (Backend) London

About Sequence If you join Sequence, you'll help build the platform that lets companies get paid – we’re already processing $1bn+ in annual invoice volume and growing fast. We're building the AI-powered revenue platform for modern finance teams, replacing fragile spreadsheets and legacy systems w ...

Remote Staff Backend Engineer Avatars

Synthesia is seeking a senior software engineer to work on critical systems for their AI video platform. This full-time remote position requires expertise in system design, collaboration across teams, and a strong focus on backend architecture. The role offers a competitive salary starting at £130,000 plus stock ...

Backend Product Engineer (Mid level)

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited ...

Backend/Data Engineer Data Platform

You’ll join the Data Collection Product Area within our Platform mission, where we build and operate the systems that power how data flows across Spotify. Our team develops the core event delivery infrastructure that enables hundreds of teams to collect and use data at massive scale. Every day, we support ...

Backend Software Engineer (Mid level)

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited ...

Senior Backend Engineer at Sektor

Job Title Senior Backend Engineer Company Description Sektor - Autonomous technology deployment platform for heavy industries Job Description Join Sektor to build the world's first orchestration layer for autonomous technology deployment in heavy industries like con ...

Backend Software Engineer Application Development

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and mor ...

Backend Software Engineer (Mid level)

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited ...

Ruby On Rails Backend Engineer

Senior Ruby on Rails Engineer Fulham (2/3 days on‑site) £60,000 - £80,000 + Private Healthcare & Benefits This is an excellent opportunity for a Mid-to-Senior Ruby on Rails Engineer to join a start‑up in a role where you will play a major part in future developments. This ...

Backend Engineer, Digital Lending Platforms

A leading workforce solutions company in London is seeking a Backend Engineer to develop backend services for lending platforms. This role focuses on building scalable APIs and workflows while collaborating with product teams to enhance system reliability. Candidates should have backend engineering experience an ...

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